Don't include unit test sources in code coverage (RIPD-1132):

Most files containing unit test code are moved to
src/test. JTx and the test client code are not yet moved.

src/test/core/Workers_test.cpp

@@ -0,0 +1,87 @@
+//------------------------------------------------------------------------------
+/*
+This file is part of rippled: https://github.com/ripple/rippled
+Copyright (c) 2012, 2013 Ripple Labs Inc.
+
+Permission to use, copy, modify, and/or distribute this software for any
+purpose  with  or without fee is hereby granted, provided that the above
+copyright notice and this permission notice appear in all copies.
+
+THE  SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+WITH  REGARD  TO  THIS  SOFTWARE  INCLUDING  ALL  IMPLIED  WARRANTIES  OF
+MERCHANTABILITY  AND  FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ANY  SPECIAL ,  DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+WHATSOEVER  RESULTING  FROM  LOSS  OF USE, DATA OR PROFITS, WHETHER IN AN
+ACTION  OF  CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+*/
+//==============================================================================
+
+#include <ripple/core/impl/Workers.h>
+#include <ripple/beast/unit_test.h>
+
+namespace ripple {
+
+//------------------------------------------------------------------------------
+
+class Workers_test : public beast::unit_test::suite
+{
+public:
+    struct TestCallback : Workers::Callback
+    {
+        explicit TestCallback(int count_)
+            : finished(false, count_ == 0)
+            , count(count_)
+        {
+        }
+
+        void processTask()
+        {
+            if (--count == 0)
+                finished.signal();
+        }
+
+        beast::WaitableEvent finished;
+        std::atomic <int> count;
+    };
+
+    void testThreads(int const threadCount)
+    {
+        testcase("threadCount = " + std::to_string(threadCount));
+
+        TestCallback cb(threadCount);
+
+        Workers w(cb, "Test", 0);
+        BEAST_EXPECT(w.getNumberOfThreads() == 0);
+
+        w.setNumberOfThreads(threadCount);
+        BEAST_EXPECT(w.getNumberOfThreads() == threadCount);
+
+        for (int i = 0; i < threadCount; ++i)
+            w.addTask();
+
+        // 10 seconds should be enough to finish on any system
+        //
+        bool signaled = cb.finished.wait(10 * 1000);
+        BEAST_EXPECT(signaled);
+
+        w.pauseAllThreadsAndWait();
+
+        // We had better finished all our work!
+        BEAST_EXPECT(cb.count.load() == 0);
+    }
+
+    void run()
+    {
+        testThreads(0);
+        testThreads(1);
+        testThreads(2);
+        testThreads(4);
+        testThreads(16);
+        testThreads(64);
+    }
+};
+
+BEAST_DEFINE_TESTSUITE(Workers, core, ripple);
+
+}